Metamorphic Or Sedimentary (With Staining)

Sandstone (with Iron Oxide)

Quartz Arenite / Ferruginous Sandstone (SiO2 with Fe2O3)

Sandstone (Quartzose Sandstone)

Clastic Sedimentary Rock - Arenite

Quartz Vein Rock

Silicon Dioxide (SiO2)

Milky Quartz

Silicon Dioxide (SiO2)

Quartz Vein Rock

Silicon Dioxide (SiO2)

Quartzite River Rock

Metamorphic Quartzite (primarily SiO2)

Quartz (River Cobble)

Silicon Dioxide (SiO2)

Quartzite

Quartzite (SiO2)

Quartzite Pebble

Metamorphosed Quartz-rich Sandstone

Quartzite Cobble

Metamorphosed Quartz Sandstone (SiO2)

Quartzite Pebble

Quartzite (SiO2)

Quartzite

Metamorphosed Quartz Sandstone (SiO2)

Quartzite Cobble

Quartzite (SiO2)

Quartzite (River Cobble)

SiO2 (Quartz-rich Metamorphic Rock)

Quartzite Pebble

Metamorphosed Quartz Sandstone (SiO2)

Quartzite

Metamorphic rock (SiO2)

Milky Quartz with Iron Inclusions

Silicon Dioxide (SiO2)

Quartzite (Iron-stained)

Quartzite (SiO2 with Fe2O3 staining)

Quartzite

Metamorphosed Quartz Sandstone (SiO2)

Weathered quartz-bearing rock, possibly sandstone or quartzite

Provisional: quartzite (mostly SiO₂); could alternatively be iron-stained quartz sandstone

Milky Quartz with Iron Staining

Silicon Dioxide (SiO2)

Quartzite (Yellow/Iron-stained Quartz)

Quartzite (primarily SiO2 with iron oxide impurities)

Quartzite with Iron Inclusions

Metamorphosed Quartz Sandstone (SiO2 with Fe2O3)

Iron-rich chert or jasper fragment

Microcrystalline quartz (SiO₂), commonly hematite/goethite-bearing

Jasper / Chert (Iron-stained Quartz)

SiO2 (Silicon Dioxide with Iron Oxide inclusions)

Quartz Crystal Fragment

Silicon Dioxide (SiO2)

Quartzite (with Iron Staining)

Metamorphosed Quartz Sandstone (SiO2)

Quartz with Chlorite or Epidote inclusions

Silicon Dioxide (SiO2) with inclusions

Iron-stained milky quartz

Quartz, silicon dioxide (SiO₂), likely massive vein quartz

Milky Quartz (or Iron-Stained Quartz)

Quartz (Silicon Dioxide, SiO2)

Chrysotile Serpentine (Asbestos in Matrix)

Chrysotile Mg3Si2O5(OH)4

Weathered quartz-rich rock, likely quartzite

Quartzite; predominantly crystalline SiO₂ with minor iron-oxide staining

Ferruginous Quartzite (Red Quartzite)

Quartzite with Hematite inclusions (SiO2 + Fe2O3)

Red Quartzite

Quartzite (SiO2)

Ferruginous Sandstone

Arenite with Iron-Oxide Cement (SiO2 with Fe2O3/FeO(OH))

Milky Quartz Pebble

Silicon Dioxide (SiO2)

Chalcopyrite in Quartz matrix

Chalcopyrite (CuFeS2) with secondary Malachite (Cu2CO3(OH)2)

Weathered sandstone cobble

Quartz-rich sandstone, primarily SiO₂ with clay/iron-oxide cement

Weathered carbonate rock, possibly fossiliferous limestone

Calcite-rich limestone (CaCO₃), tentative identification

Sandstone (Iron-stained)

Sandstone (rich in Quartz and Hematite/Limonite coatings)

Sandstone (Quartzose)

Clastic sedimentary rock (primarily SiO2)

Ferruginous Sandstone with Concretion

Sandstone (SiO2 dominated with Fe2O3 cement)